Granular pearlite
[机] 球状波来铁
🧩 词语组成解析
n. 珠光体
🗣️ 情景例句
Your English is very good.
你的英语说得很好。
Excuse me, would you give me a hand?
对不起，你能帮我个忙吗？
Six men have been trapped in a mine for seventeen hours.
6个人被困在矿井里已有17个小时了。